BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY WEDNESDAY, MARCH 25, 2020 ALL TIMES ARE IN EASTERN STANDARD TIME SOME LIGHT RAIN WITH OVERCAST SKIES AND A CHILLY EASTERLY WIND.... Today we observed 30 miles of visibility on average due to a distant fog. Light rain began shortly before 7 A.M., leaving 0.03 inches in the gauge by the 10 A.M. observation. Skies remained overcast, and the wind was easterly at a constant speed around 10 mph. However, the wind picked up slightly as the afternoon went on, gusting up to 23 mph by 5 P.M. The overnight low was 35F, this is 5 degrees above the normal low of 30F. The high so far today is 41F, 6 degrees above the normal max of 47F. Today's Observations: 7 A.M. Weather: Overcast stratus, light rain beginning 5 minutes before the 7 A.M. observation. Temperature: 37F; Dew Point: 32F; Relative Humidity: 82% Wind: E at 8 kts Sea-level pressure: 30.21 ins. Hg: rising, then more slowly Visibility: 35 miles, distant fog 6-hr Max temp: 37F 6-hr Min temp: 35F 24-hr Precip:  Trace 24-hr Snowfall: 0.0 ins. BHO SA 1155 E50 OVC 35R- 229/37/32/0810/021/ DSNT FG ALQDS R-B55/ 8/6// 53012 10037 20035 10 A.M. Weather: Overcast stratus, light rain Temperature: 38F; Dew Point: 36F; Relative Humidity: 96% Wind: E at 8 kts Sea-level pressure: 30.19 ins. Hg: falling, then more rapidly Visibility: 30 miles, distant fog 3-hr Precip:  0.03 ins. 3-hr Snowfall: 0.0 ins. BHO SA 1455 E50 OVC 30R- 222/38/36/0908/019/ DSNT FG ALQDS R-CTD/ 8/6// 6003/ 56007 1 P.M. Weather: Overcast altostratus Temperature: 39F; Dew Point: 31F; Relative Humidity: 71% Wind: E at 12 kts, Sea-level pressure: 30.17 ins. Hg: steady, then falling Visibility: 30 miles, distant fog 6-hr Max temp: 41F 6-hr Min temp: 37F 6-hr Precip:  0.03 ins. 6-hr Snowfall: 0.0 ins. BHO SA 1755 E150 OVC 30 217/39/31/1012/017/ DSNT FG ALQDS/ 8/02/ 6003/ 55006 10041 20037 SUMMARY FOR TUESDAY, MARCH 24, 2020 TEMPERATURE (DEGREES F) MAX.....48   NORMAL.....47 MIN.....33   NORMAL.....30 MEAN....41   NORMAL.....38 DEPARTURE FROM 30-YEAR NORMAL................... +3 TOTAL DEPARTURE FOR THE MONTH..................+170 [+6.9 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY...............24  DEPARTURE....... -3 TOTAL HEATING UNITS FOR THE MONTH..............566  DEPARTURE......-170 TOTAL HEATING UNITS FOR THE SEASON............4706  DEPARTURE......-598 TOTAL HEATING UNITS LAST SEASON TO DATE.......5249  DEPARTURE......-543 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY....................37 NNW AT 12:10 A.M.                      AERO.........................37 NNW AT 12:12 A.M.                      ASOS.........................39 NNE AT 12:11 A.M.                    DAVIS........................38 NNW AT 12:03 A.M. RMY N/A FASTEST MILE FOR YESTERDAY......................25 NNW AT 12:08 A.M. MAXIMUM 2-MINUTE ASOS AVERAGE...................25 NNE AT 12:08 A.M. MAXIMUM 2-MINUTE DAVIS AVERAGE..................25 NNE AT 12:14 A.M. AVERAGE WIND SPEED AND DIRECTION..............11.3 NNW                                   ASOS.......................10.7                    DAVIS......................11.5 NNW  [340 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00  DEPARTURE......-0.19                          ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH..........3.46  DEPARTURE......-0.84                          ASOS..............3.59 TOTAL PRECIPITATION FOR THE YEAR...........8.12  DEPARTURE......-4.60                          ASOS..............8.50 SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........0.0  DEPARTURE.......-0.3 TOTAL SNOWFALL FOR THE MONTH................2.8  DEPARTURE.......-7.9 TOTAL SNOWFALL FOR THE SEASON..............27.6  DEPARTURE......-30.1 PRELIMINARY CLIMATE SUMMARY FOR MARCH CALENDAR DAY DATA DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/PEAK GUST/AERO/RMY GUST AERO: Aerovane wind recording system gust RMY:  R.M. Young wind gust recording system TSTM: Thunderstorm day (thunder heard some time during day) ....: Data not yet available, records not finalized M:    Missing data 03/01  33/15/24/-7/0.00/0.0/.../..         28 WNW AERO 28 WNW RMY 27 03/02  52/24/38/+7/T/T/.../..              40 S   AERO 39 S   RMY 41 03/03  64/45/55/+23/..../0.0/.../..        30 S   AERO 30 S   RMY N/A 03/04  50/38/44/+12/..../0.0/.../..        56 W   AERO 56 W   RMY 58 03/05  51/32/42/+10/0.00/0.0/.../..        31 W   AERO 31 NW  RMY 32 03/06  47/30/39/+7/..../.../.../..         46 NE  AERO 45 NE  RMY 46 03/07  43/26/35/+2/..../.../.../..         42 N   AERO 43 N   RMY 44 03/08  53/26/40/+7/0.00/0.0/.../..         31 W   AERO 30 W   RMY 28 03/09  72/40/56/+23/0.00/0.0/.../..        32 SW  AERO 32 SW  RMY 31 03/10  68/49/59/+26/0.00/0.0/.../..        48 WSW AERO 46 WSW RMY 49 03/11  56/37/47/+13/0.00/0.0/.../..        31 WNW AERO M  M   RMY 21 03/12  46/31/39/+5/..../0.0/.../..         21 SE  AERO 18 SE  RMY N/A 03/13  59/38/49/+15/..../0.0/.../..        46 WNW AERO 44 WNW RMY 46 03/14  51/35/43/+8/0.00/0.0/.../..         37 W   AERO 36 W   RMY 35 03/15  47/28/38/+3/0.00/0.0/.../..         28 NW  AERO 28 NW  RMY N/A 03/16  36/22/29/-6/0.00/0.0/.../..         21 NE  AERO 21 ESE RMY 21 03/17  43/28/36/0/..../0.4/.../..          29 W   AERO 30 W   RMY 29 03/18  54/31/43/+7/..../0.0/.../..         26 S   AERO 26 S   RMY 26 03/19  43/37/40/+4/..../0.0/.../..         36 E   AERO 35 E   RMY 34 03/20  66/37/52/+15/..../0.0/.../..        48 W   AERO 48 W   RMY 46 03/21  55/29/42/+5/0.00/0.0/.../..         45 W   AERO 48 W   RMY N/A 03/22  36/23/30/-7/0.00/0.0/.../..         23 NE  AERO 24 NE  RMY 23 03/23  40/25/33/-5/..../1.6/.../..         38 NNE AERO 39 NNE RMY 38 03/24  48/33/41/+3/..../.../.../..         37 NNW AERO 37 NNW RMY N/A 03/25 The low since midnight is 35F, daily normal minimum is 30F DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated):   RECORDS FOR MARCH 25 HIGH 76 IN 1910 LOW 8 IN 1888, 1956 PRECIP 1.84 INS. IN 1909 SNOWFALL 1.0 INS. IN 1912 PEAK GUST 69 MPH SE IN 1969 RECORDS FOR MARCH 26 HIGH 76 IN 1922, 1949 LOW 6 IN 1960 PRECIP 1.99 INS. IN 1988 SNOWFALL 5.4 INS. IN 2001 PEAK GUST 63 MPH S IN 1970 TODAY'S REPORT PREPARED BY: Benjamin Turner